diff --git a/Assets/ForceDirectedGraph.png b/Assets/ForceDirectedGraph.png
new file mode 100644
index 0000000..fb822a8
Binary files /dev/null and b/Assets/ForceDirectedGraph.png differ
diff --git a/Examples/GrapeView b/Examples/GrapeView
new file mode 160000
index 0000000..e5e66f6
--- /dev/null
+++ b/Examples/GrapeView
@@ -0,0 +1 @@
+Subproject commit e5e66f6b1ce3d784dafa3a5df1605052c509aac4
diff --git a/README.md b/README.md
index bf3fbb9..6a40ef7 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,22 @@
 ![swift workflow](https://github.com/li3zhen1/Grape/actions/workflows/swift.yml/badge.svg)
 
 
-A visualization-purposed force simulation library that behaves like d3-force.
\ No newline at end of file
+A visualization-purposed force simulation library that behaves like d3-force.
+
+
+### Examples
+
+This is a force directed graph visualizing the data from [Force Directed Graph Component](https://observablehq.com/@d3/force-directed-graph-component), running at 120FPS on a SwiftUI Canvas.
+
+![Force Directed Graph](./Assets/ForceDirectedGraph.png)
+
+### Features
+
+| Feature | Status |
+| --- | --- |
+| LinkForce | ✅ |
+| ManyBodyForce | ✅ |
+| CenterForce | ✅ |
+| CollisionForce |  |
+| PositionForce |  |
+| RadialForce |  |